Redefining geospatial data versioning: The GeoGig approachDirections MagazineWhy would anyone want different versions of data? Don't we all want data we can trust, that doesn't vary from copy to copy? The answer is yes, sometimes. So, when do we want different versions? We often save different versions of data for historical purposes because data changes over time. Sometimes, a project requires that you compare different versions of data that happened concurrently or analyze different views of the same information to provide perspective.

Make your own maps with Google Maps Gallery and My MapsGIS UserSomething new from the Google Maps crew today — Google my Maps. By the end of this year, all maps created in classic Google Maps will automatically upgrade to the new My Maps, but to get started right away, open up the new My Maps and "Upgrade now," then check out the tour — found in the settings menu — for tips on creating your own custom content.

Personalizing climate change through open data and appsThe GuardianGovernment-released open data is fuelling a whole new level of innovation in sustainability. Moving beyond hackathons, today's climate data partnerships are creating unique ventures that cross boundaries between business, government and academia. In the U.S., "datapaloozas" — gatherings focused on creating open data innovations in the areas of health, education, energy and safety across sectors — are popping up all over the place.

Galileo conspiracy theoryGPS WorldDo you know any conspiracy theorists? You know, those folks who I am sure are well meaning, but see a conspiracy behind every event? Think Mel Gibson in the great 1997 movie with the very imaginative title Conspiracy Theory. Well, the conspiracy theorists have been coming out of the woods following the Galileo launch fiasco, and they are blaming both the Russians and European Space Agency.

Move to allow GNSS-interfering pseudolites emerges in EuropeInside GNSS Two European proposals to allow pseudolites in the protected frequencies used by GPS and Galileo could soon be adopted, creating a potential interference risk to GNSS receivers and hampering efforts to protect satellite navigation spectrum, experts say. "The pseudolite systems that some people are thinking of around the world, we think are a real danger to GPS and GNSS reception and could be a danger to safety of life," Ray Clore, GNSS senior advisor at the U.S. State Department, said at a meeting of the Civil GPS Service Interface Committee.

What's the future of utilities? Hawaii has one answerSmart Grid newsHawaii's utilities have submitted detailed plans on how they will lower power prices while also integrating renewables. In fact, they are preparing for two-thirds of their power needs to be supplied by renewables as soon as 2030. The new plans are a response to this spring's demand from the public service commission to do a better job.